Home / 10,071,152.10-15,111,192.87-5,277,701.70

Finding the Fourth Proportional to 10,071,152.10, 15,111,192.87 and 5,277,701.70

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Solution

The fourth proportional to 10,071,152.10, 15,111,192.87 and 5,277,701.70 is: 7,918,892.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071,152.10 : 15,111,192.87 = 5,277,701.70 : x
  2. Step 2: Convert to fraction form
    10,071,152.10/15,111,192.87 = 5,277,701.70/x
  3. Step 3: Cross multiply
    10,071,152.10x = 15,111,192.87 × 5,277,701.70
  4. Step 4: Simplify right side
    10,071,152.10x = 79,752,368,299,026.88
  5. Step 5: Solve for x
    x = 79,752,368,299,026.88/10,071,152.10
  6. Step 6: Final answer
    x = 7,918,892.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.